Proxima Centauri, the nearest star to Earth, is part of the Alpha Centauri triple star system, seen in this view of the southern hemisphere's night sky. (discovermagazine.com)
Triple StaRs Waste Reduction Challenge is a great way for Grade 4 classes in Alberta to find practical ways to reduce waste during Waste Reduction Week and throughout the year. (recycle.ab.ca)
As stated above, the cluster was first depicted as triple star on February 4, 1617 by Galileo, who was not aware of the nebula. (maa.clell.de)